Question

Find the rate of interest so that, after 2 21 years the interest on Rs. 3200 will be Rs. 576.​

Answer 1

Answer:

"Difference b/w 3rd yr interest n 2nd interest is 714 - 672 = 42

then we have to find out 42 is how much % on 672 then we will get rate of interest

672*x/100=42

x=42*100/672

x=6 1/4 % = 6.25% "